I’m surprised there hasn’t been more people commenting on Hogan et. al saying that there won’t be a full return to school until Phase 3, which is tentatively estimated to be January 2021. Maybe I’m misinterpreting it.
https://www.eyeonannapolis.net/2020/05/governor-hogans-update-on-covid-19-response-go-boating-and-golfing/
EDIT: After reading the article a little closer, I see that Maryland hasn’t tied the phases to any particular date. The tentative date of January 2021 for Phase 3 was based on a chart that was provided to the state by a professor as part of a presentation.